Know all about Claystone and Rapakivi Granite properties here. All properties of rocks are important as they define the type of rock and its application. Claystone belongs to Sedimentary Rocks while Rapakivi Granite belongs to Igneous Rocks.Texture of Claystone is Clastic whereas that of Rapakivi Granite is Granular, Phaneritic. Claystone appears Rough and Dull and Rapakivi Granite appears Veined or Pebbled. The luster of Claystone is dull while that of Rapakivi Granite is dull to grainy with sporadic parts pearly and vitreous. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Rapakivi Granite is available in black, grey, orange, pink, white colors. The commercial uses of Claystone are pottery and that of Rapakivi Granite are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, tombstones.